although japan is 5,000 mi. away, a spokesperson with the bay area air quality management tells kron 4 news that in the past, the air monitors have been able to detect coal dust from china. besides stationary system such as this one in the air quality management in the city, the epa also has mobile units. some of those are already being rolled out right now to western states. in oakland, kron 4 news. >>pam: stay with kron 4 for continuing coverage of the nuclear meltdown threat. at 530 the impact it could have on the japanese and u.s. economy. new tonight at 5:10 p.m. the shooting at mcdonald's and san jose, the fears in the neighborhood and the search for a suspect. by 3:00 p.m. californians ongoing budget battle, tonight the latest on the fight to let voters decide what to do. a 5:25 p.m. new programming, how that fits is trying to go head-to-head with companies such as hbo and showtime. coming up. @ california should be proud. we were the first to ban smoking on airplanes. the first to have smoke-free bars an